Fix for breaking change in jQuery 3

the .load method has been removed from jquery 3, in favor of using `obj.on("load", function())`

Author: Firesphere

source/helpers/jquery.fancybox-thumbs.js

@@ -69,7 +69,7 @@
 					return;
 				}
 
-				$("<img />").load(function () {
+				$("<img />").on("load", function () {
 					var width  = this.width,
 						height = this.height,
 						widthRatio, heightRatio, parent;
@@ -162,4 +162,4 @@
 		}
 	}
 
-}(jQuery));
+}(jQuery));